Home / 16,208.82-22,369.23-9,135.63

Finding the Fourth Proportional to 16,208.82, 22,369.23 and 9,135.63

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Solution

The fourth proportional to 16,208.82, 22,369.23 and 9,135.63 is: 12,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,208.82 : 22,369.23 = 9,135.63 : x
  2. Step 2: Convert to fraction form
    16,208.82/22,369.23 = 9,135.63/x
  3. Step 3: Cross multiply
    16,208.82x = 22,369.23 × 9,135.63
  4. Step 4: Simplify right side
    16,208.82x = 204,357,008.66
  5. Step 5: Solve for x
    x = 204,357,008.66/16,208.82
  6. Step 6: Final answer
    x = 12,607.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.